login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A299553 Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero. 1

%I #4 Feb 12 2018 20:26:30

%S 0,104,3739,160089,10759709,648002718,40708113490,2548695927399,

%T 159913303887571,10043292894572000,630817213769269749,

%U 39629356396091207363,2489689079190364637171,156417236131600077815031

%N Number of nX7 0..1 arrays with every element equal to 2, 3, 4, 5, 6 or 8 king-move adjacent elements, with upper left element zero.

%C Column 7 of A299554.

%H R. H. Hardin, <a href="/A299553/b299553.txt">Table of n, a(n) for n = 1..210</a>

%e Some solutions for n=5

%e ..0..0..1..1..0..0..1. .0..1..1..1..1..0..0. .0..1..1..1..0..0..0

%e ..0..0..1..0..0..1..1. .0..0..1..0..0..1..0. .0..0..1..0..0..0..1

%e ..0..0..0..1..0..1..1. .0..0..0..1..1..0..0. .0..0..1..1..1..1..1

%e ..0..0..1..1..1..0..0. .0..0..1..0..1..0..1. .0..0..1..0..1..1..1

%e ..0..0..1..1..1..1..0. .0..0..1..1..0..1..1. .0..0..0..0..1..1..1

%Y Cf. A299554.

%K nonn

%O 1,2

%A _R. H. Hardin_, Feb 12 2018

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 18 00:08 EDT 2024. Contains 374377 sequences. (Running on oeis4.)